I don't understand the reasoning at all. I get why a payout makes sense after an initial period of time, but why not allow a secondary period of time and a second payout, or regular payouts every two weeks after the first week?

If it's not a technical challenge and purely a choice, I wonder if the logic is to incentivize new content by negating the value of old content? If so, that may make sense to create a lot of content quickly, but it does not make sense for the long-term where quality should be more important than quantity.